395825641 has 2 divisors, whose sum is σ = 395825642. Its totient is φ = 395825640.

The previous prime is 395825627. The next prime is 395825687. The reversal of 395825641 is 146528593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239475625 + 156350016 = 15475^2 + 12504^2 .

It is a cyclic number.

It is not a de Polignac number, because 395825641 - 2⁵ = 395825609 is a prime.

It is not a weakly prime, because it can be changed into another prime (395825341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197912820 + 197912821.

It is an arithmetic number, because the mean of its divisors is an integer number (197912821).

Almost surely, 2^395825641 is an apocalyptic number.

It is an amenable number.

395825641 is a deficient number, since it is larger than the sum of its proper divisors (1).

395825641 is an equidigital number, since it uses as much as digits as its factorization.

395825641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 395825641 is about 19895.3673250835. The cubic root of 395825641 is about 734.2342533251.

The spelling of 395825641 in words is "three hundred ninety-five million, eight hundred twenty-five thousand, six hundred forty-one".